There was a dude here that made a mount that slide on the rear, without mods, to mount a stock.
https://www.uzitalk.com/forums/index.php?threads/s-w-76-mk-760-stock-adapters-only-1-one-left-on-gb-com.100393/
Just buy a Lage M-10 Dual Mag' Catch #55. 20 bux and either type of mag will lock in without the mod. Both of my M10s have one.
https://www.max-11.com/55.php
Dogs or War is a great movie. Early Christopher Walken before he started talking funny.
Gotta love The terminator and its use of the nine millimetah Oooozi.